#A33128#A33128

#A33128 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.151 H 28.5°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#A33128
RGB	rgb(163, 49, 40)
HSL	hsl(4, 61%, 40%)
HSV	hsv(4, 75%, 64%)
CMYK	cmyk(0%, 69.9%, 75.5%, 36.1%)
CIE-LAB	lab(38.09, 46.27, 32.25)
CIE-LCH	lch(38.09, 56.40, 34.88°)
OKLab	oklab(48.41% 0.1331 0.0723)
OKLCH	oklch(48.41% 0.151 28.5)
XYZ	xyz(16.5874, 10.1388, 3.0906)
Luminance	0.1014 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33128 #289AA3

analogous

#A3285D #A33128 #A36E28

triadic

#A33128 #28A331 #3128A3

tetradic

#A33128 #5DA328 #289AA3 #6E28A3

square

#A33128 #5DA328 #289AA3 #6E28A3

split-complementary

#A33128 #28A36E #285DA3

monochromatic

#411310 #72221C #A33128 #CF453A #DB736B

Accessibility & contrast

On white

6.94

#A33128 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#A33128 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33128

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33128	#FFFFFF	#000000	##FFFFFF
##A33128	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524A26

Deuteranopia (green-blind)

#6E6324

Tritanopia (blue-blind)

#B40A30

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33128;
/* rgb */ color: rgb(163, 49, 40);
/* oklch */ color: oklch(48.4% 0.151 28.5);

Tailwind

colors: {
  custom: {
    50: '#c67062',
    500: '#a33128',
    950: '#000000',
  },
}

SCSS

$custom: #a33128;
$custom-light: #c67062;
$custom-dark: #000000;

JSON

{
  "hex": "#a33128",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 4.39,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48405,
    "c": 0.15141,
    "h": 28.5
  },
  "luminance": 0.10136
}

Semantic roles & 50–950 ramp

primary

#A33128

secondary

#66BAC1

accent

#D8E444

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A33128

Body copy rendered with the generated semantic roles for this colour.

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